ref: 34e18c0eb51afa1b33b0db768be7ddef2a02ca63 dir: /include/bits/linux/sys/stdio.h/
#define BUFSIZ 512 #define FILENAME_MAX 256 #define FOPEN_MAX 16 #define TMP_MAX 25 #define _TMPNAME "/tmp/tmp.0000000" #define L_tmpnam sizeof(_TMPNAME)